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In this work, 4 element Quad Koch fractal dipole (QKFD) on Yagi-Uda was designed and simulated using 4NEC2 software. First iteration of Quad Koch fractal on Yagi-Uda for radar application with 0.042λ at the feeder is considered. The presented antenna exhibits resonance at 2.9 and 7.4 GHz and demonstrated 67 dBi gain at 2.9 GHz having Return loss is (−20;99dB) < −10. The parameters such as VSWR,...
In this paper, a Triangular Koch fractal based Yagi-Uda antenna is presented and experimentally investigated. The first iteration triangular Koch fractal is introduced on dipole Yagi-Uda to have compact size and high gain. The fabricated antenna exhibits excellent performance at 3 GHz and another resonance at 8.65 GHz. The koch fractal on dipole with 0.42λ as feeder on Yagi-Uda demonstrated 10.2dBi...
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